Home / 823,162,491.60-1,135,965,328.72-446,818,834.96

Finding the Fourth Proportional to 823,162,491.60, 1,135,965,328.72 and 446,818,834.96

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Solution

The fourth proportional to 823,162,491.60, 1,135,965,328.72 and 446,818,834.96 is: 616,610,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,162,491.60 : 1,135,965,328.72 = 446,818,834.96 : x
  2. Step 2: Convert to fraction form
    823,162,491.60/1,135,965,328.72 = 446,818,834.96/x
  3. Step 3: Cross multiply
    823,162,491.60x = 1,135,965,328.72 × 446,818,834.96
  4. Step 4: Simplify right side
    823,162,491.60x = 507,570,704,733,623,808
  5. Step 5: Solve for x
    x = 507,570,704,733,623,808/823,162,491.60
  6. Step 6: Final answer
    x = 616,610,584.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.